Ignore LFs on the serial console
Ignore LFs on the serial console

They will always be following a CR, that we already consumed. Without
this, you can't turn "status on" because it'll see the LF and
immediately turn it off, again.

cr1901/HDMI2USB-litex-firmware,cr1901/HDMI2USB-litex-firmware,mithro/HDMI2USB-litex-firmware,cr1901/HDMI2USB-litex-firmware,mithro/HDMI2USB-litex-firmware,mithro/HDMI2USB-litex-firmware,cr1901/HDMI2USB-litex-firmware,mithro/HDMI2USB-litex-firmware